Check Colorado counties for blizzard, hail and red flag warnings before you drive or hike
No active warnings or watches in Colorado
Nothing is listed right now. Check your exact location for the latest.
Colorado severe weather alerts by type
What each kind of alert means and where to see it for Colorado.
Colorado tornado watches and warnings
None active in Colorado right now. A tornado watch means tornadoes are possible.
Colorado severe thunderstorm watches and warnings
None active in Colorado right now. A severe thunderstorm has winds of 58 mph or higher, hail 1 inch across or larger, or both.
Colorado flood watches and flash flood warnings
None active in Colorado right now. A flood watch means flooding is possible.
Colorado winter storm, ice storm, snow and blizzard warnings
None active in Colorado right now. Winter alerts run from a watch (possible within about 48 hours) to a warning (occurring or imminent) and an advisory for less serious but still inconvenient conditions.
Colorado heat advisories and extreme heat warnings
None active in Colorado right now. A heat advisory is the lower level and an extreme heat warning the higher level; both based on the heat index.
Colorado wind advisories and high wind warnings
None active in Colorado right now. A wind advisory is for strong winds; a high wind warning is for damaging winds.
Colorado red flag warnings
None active in Colorado right now. A Red Flag Warning means dangerous fire weather is expected, usually a mix of low humidity, wind and dry fuels.
Colorado tornado history: last tornado, strongest and worst on record
From the NOAA Storm Prediction Center database, 1950 through 2025.
Colorado has 2,476 tornadoes on record, about 33 a year, and 1,093 of them since 2000. That ranks Colorado number 12 among the 50 states by count. 25 were rated EF3 or stronger. They caused 5 deaths and 290 injuries.
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|---|---|---|
| 39 | 19 | 45 | 49 | 35 | 49 | 31 | 88 | 21 | 26 |
Most Colorado tornadoes have come from May through July. The single busiest month is June (36% of the total).
Counts use each tornado's starting state. Ratings before 2007 use the original Fujita scale. The database ends in 2025, so more recent tornadoes are not included.
Colorado flood map and flood warnings
No flood watch or warning is active in Colorado right now. Flood zones are mapped by FEMA street by street. FEMA's Flood Map Service Center lets you search an address and see its flood zone.
Colorado storm tracker: storms and events
No tracked events involve Colorado right now.
Common questions
Is there a tornado warning, winter storm warning or other weather warning in Colorado right now?
We do not see an active tornado, winter storm or other warning or watch for Colorado in the latest National Weather Service data. Conditions change quickly, so check your ZIP code for the latest.
When was the last tornado in Colorado, and how many have there been since 2000?
The most recent tornado in the NOAA Storm Prediction Center database for Colorado is September 16, 2025. The database lists 1,093 Colorado tornadoes since 2000 and 2,476 since 1950. It runs through 2025, so it does not include later tornadoes.
What was the deadliest tornado in Colorado, and what was the strongest?
By rating, the strongest in the record is June 27, 1960, rated EF3, 2 deaths. It is also the deadliest. Ratings before 2007 use the original Fujita scale.
How does Colorado rank for tornadoes among the states?
Colorado ranks 12th of 50 states by the number of tornadoes since 1950: 2,476 in all, about 33 a year. 25 were rated EF3 or stronger. They caused 5 deaths and 290 injuries, and the busiest year was 1996 with 98. Each tornado is counted in the state where it started.
When is tornado season in Colorado?
Most Colorado tornadoes in the record came from May through July. June is the busiest single month, with 36% of the total. Tornadoes can happen in any month.
Where do I find Colorado emergency management and National Weather Service offices?
The state agency is Colorado Division of Homeland Security and Emergency Management (https://dhsem.colorado.gov/). The National Weather Service offices that cover Colorado include NWS Denver/Boulder, CO, NWS Grand Junction, CO, NWS Goodland, KS, NWS Pueblo, CO. Evacuation zones and orders come from your county or state emergency management office, not from this site.
Which Colorado cities and counties have their own alert pages?
This site has city pages for Arapahoe County (Aurora); Denver County (Denver); El Paso County (Colorado Springs). Each city page shows the alerts for the center of that city.
Be ready in Colorado
Official-source guides for the weather Colorado sees most.
Cities and counties in Colorado
Live alerts and local storm history for each city, grouped by the county it is in.
Alert data comes from the National Weather Service and is refreshed every 15 minutes.